Home / 145,126.60-217,682.17-45,275.33

Finding the Fourth Proportional to 145,126.60, 217,682.17 and 45,275.33

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Solution

The fourth proportional to 145,126.60, 217,682.17 and 45,275.33 is: 67,910.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,126.60 : 217,682.17 = 45,275.33 : x
  2. Step 2: Convert to fraction form
    145,126.60/217,682.17 = 45,275.33/x
  3. Step 3: Cross multiply
    145,126.60x = 217,682.17 × 45,275.33
  4. Step 4: Simplify right side
    145,126.60x = 9,855,632,512.88
  5. Step 5: Solve for x
    x = 9,855,632,512.88/145,126.60
  6. Step 6: Final answer
    x = 67,910.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.